22122112134 has 32 divisors (see below), whose sum is σ = 44532843264. Its totient is φ = 7326015840.

The previous prime is 22122112123. The next prime is 22122112141. The reversal of 22122112134 is 43121122122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122112134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144837 + ... + 1163999.

It is an arithmetic number, because the mean of its divisors is an integer number (1391651352).

Almost surely, 2^22122112134 is an apocalyptic number.

22122112134 is an abundant number, since it is smaller than the sum of its proper divisors (22410731130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122112134 is a wasteful number, since it uses less digits than its factorization.

22122112134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20412.

The product of its digits is 384, while the sum is 21.

Adding to 22122112134 its reverse (43121122122), we get a palindrome (65243234256).

The spelling of 22122112134 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirty-four".